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SOME VOLUNTEERS DROPPED OUT OF J&J VACCINE TRIAL IN SPAIN AFTER ASTRAZENECA TRIAL PUT ON HOLD, LEAD INVESTIGATOR SAYS

15 Sep 2020 / 22:34 H.

    SOME VOLUNTEERS DROPPED OUT OF J&J VACCINE TRIAL IN SPAIN AFTER ASTRAZENECA TRIAL PUT ON HOLD, LEAD INVESTIGATOR SAYS

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